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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
sunny DaytimeWhat's Visible Now?
All Constellations » Ara » 


Altitude: -39.9°   Azimuth: 222.1°   Direction: South-West

HR6304 is a variable sub-giant star in the constellation of Ara.

HR6304 visual magnitude is 6.11. Because of its reltive faintness, HR6304 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR6304 is -0.003 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6304 star
DSS2 image of HR6304. The red arrow shows the motion of HR6304 during the next 10000 years (-0.50 arcmin in Right Ascension and -1.83 arcmin in declination);

Key facts about HR6304


HR6304 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -39.9°
Azimuth: 222.1°
Direction: South-West

Celestial coordinates and finder chart of HR6304

HR6304 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6304 are provided in the following table:

17h 01m 47s
-58° 57’ 29”

The simplified sky map below shows the position of HR6304 in the sky:

Finder chart HR6304 star
Simplified finder chart for HR6304.

Visibility of HR6304 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR6304 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR6304 from the Sun and relative movement

HR6304 is distant 2,279.72 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

699.30 pc
2,279.72 ly
-6 km/s
-0.003 arcsec/year
-0.011 arcsec/year

Spectral properties of HR6304

HR6304 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR6304 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR6304. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6304